<aside class="main-sidebar">
    <!-- sidebar-->
    <section class="sidebar">
        <!-- Sidebar Menu -->
        <ul class="sidebar-menu">
            <li class="header">主菜单</li>
            <li class="treeview">
                <a href="{:U('Ad/adList')}"><span>轮播图管理</span></a>
            </li>
            <li class="treeview">
                <a href="{:U('News/newsList')}"></i><span>列表管理</span></a>
            </li>
        </ul>
        <!-- /.sidebar-menu -->
    </section>
    <!-- /.sidebar -->
</aside>